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3 years ago

Find the difference. Round your answer to match the less precise measurement. 83 g – 1.8 g 81 g 82 g 80 g 81.2 g

Mathematics

1 answer:

Ivan3 years ago

6 0

Answer:

Option A.

Step-by-step explanation:

The given expression is

$83 g-1.8 g$

We need to find the difference round to the less precise measurement.

Taking out the common factor.

$(83-1.80)g$

$81.2g$

Precise measurement of given expression is 81.2g.

A measurement with more decimal places is more precise and vice versa.

Now, approx the answer to the the nearest whole measure.

$81.2g\approx 81g$

The less precise measurement of given expression is 81g.

Therefore, the correct option is A.

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1.) The commuter trains on the Red Line for the Regional Transit Authority (RTA) in Cleveland, OH, have a waiting time during pe

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a) For this case we define the random variable as X ="waiting time during peak hours" and we know that this distribution follows an uniform distribution:

$X \sim Unif(a=0,b=8)$

Where a and b represent the limits of the distribution.

b) $f(x) = \frac{1}{8}= 0.125, a\leq x \leq b$

And the height for this case would be 0.125

Step-by-step explanation:

Part a

For this case we define the random variable as X ="waiting time during peak hours" and we know that this distribution follows an uniform distribution:

$X \sim Unif(a=0,b=8)$

Where a and b represent the limits of the distribution.

Part b

For this case the density function would be given by:

$f(x) = \frac{1}{8}= 0.125, a\leq x \leq b$

And the height for this case would be 0.125

And $f(x)= 0$ for other case.